<template>
  <div class="tab-bar-item" @click="itemClick">
    <div v-if="!isActive">
      <slot name="item-icon"></slot>
    </div>
    <div v-else>
      <slot name="item-icon-active"></slot>
    </div>
    <div :style="activeStyle">
      <slot name="item-text"></slot>
    </div>
  </div>
</template>

<script>
export default {
  name: 'TabBarItem',
  components: {},
  props: {
    path:{  //配置路由路径
      type:String
    },
    activeColor:{ //配置图标字体颜色
      type: String,
      default: 'red'
    }
  },
  data() {
    return {
      
    };
  },
  watch: {},
  computed: {
    isActive() {
      return this.$route.path.indexOf(this.path)!==-1; //判断当前路径是否是活跃的路径 动态修改path为true或false
    },
    activeStyle(){
      return this.isActive?{color:this.activeColor}:{};
    }
  },
  methods: {
    itemClick(){
      this.$router.replace(this.path).catch(err =>{err});
    }
  }
};
</script>
<style scoped>
 .tab-bar-item{
    flex: 1;
    text-align: center;
    height: 49px;
    font-size: 14px;
  }
  .tab-bar-item img{
    width: 24px;
    height: 24px;
    margin-top: 3px;
    margin-bottom: 3px;
    vertical-align: middle;
  }
  .active{
    color: red;
  }
</style>